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7 Cycling Words
the bivalent group –N=N– united with one hydrocarbon group and another atom or group, as in benzenediazo hydroxide, C
N=NOH, or the bivalent group =N=N united with one hydrocarbon group, as in diazomethane, CH
Based on the Random House Dictionary, © Random House, Inc. 2016.
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When the para-position is occupied, the
takes the ortho-position.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4
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